JPS6196884A - Television receiver - Google Patents
Television receiverInfo
- Publication number
- JPS6196884A JPS6196884A JP59217627A JP21762784A JPS6196884A JP S6196884 A JPS6196884 A JP S6196884A JP 59217627 A JP59217627 A JP 59217627A JP 21762784 A JP21762784 A JP 21762784A JP S6196884 A JPS6196884 A JP S6196884A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- video
- supplied
- input
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、外部信号入出力端子及び２１ピン等のＲＧＢ
映像信号入出力端子を有するテレビジョン受像機に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is applicable to external signal input/output terminals and RGB terminals such as 21 pins.
The present invention relates to a television receiver having a video signal input/output terminal.
従来例の構成とその問題点
まず、従来例のテレビジョン受像機を第１図を用いて説
明する。図中、１は入力モード切換回路、２はテレビ／
ビデオ切換回路、３は２１ピンのＲＧＢ映像信号入出力
端子、４は映像処理回路である０
２１ピン入出力端子３に文字多重チューナを接続し、入
力モード切換回路１の入力モードをＲＧＢ／マルチに切
換え、テレビ／ビデオ切換回路２をビデオに切換えた場
合、２１ピン入出力端子３の０番端子にはテレビ映像信
号が供給され１文字長重チューナにて処理され０番端子
にコンポンット信号となって出力され、各切換回路１，
２を通り、映像処理回路４に供給される。又、２１ピン
入出力端子３からはＹｓ （同期信号） 、 ＹＩＶｉ
（白黒信号）、Ｒ，Ｇ、Ｈの各信号が映像処理回路４に
供給され、それらの信号からスーパーインポーズができ
るが、２１ピン入出力端子３に文字信号発生器を接続し
、任意の外部映像信号でスーパーインポーズをする場合
、２１ピン入出力端子の０番ピンに外部信号が供給され
ない為（（スーパーインポーズできない。Configuration of Conventional Example and Its Problems First, a conventional television receiver will be described with reference to FIG. In the figure, 1 is the input mode switching circuit, 2 is the TV/
A video switching circuit, 3 is a 21-pin RGB video signal input/output terminal, and 4 is a video processing circuit. A character multiplex tuner is connected to the 21-pin input/output terminal 3, and the input mode of the input mode switching circuit 1 is set to RGB/multiple. When the TV/video switching circuit 2 is switched to video, the TV video signal is supplied to the 0th terminal of the 21-pin input/output terminal 3, processed by the 1-character long tuner, and then output as a component signal to the 0th terminal. is output, and each switching circuit 1,
2 and is supplied to the video processing circuit 4. Also, from the 21-pin input/output terminal 3, Ys (synchronization signal), YIVi
(monochrome signal), R, G, and H signals are supplied to the video processing circuit 4, and superimposition can be performed from these signals. However, by connecting a character signal generator to the 21-pin input/output terminal 3, When superimposing with an external video signal, the external signal is not supplied to pin 0 of the 21-pin input/output terminal ((superimposition is not possible.
発明の目的
本発明は、文字信号発生器の信号と、テレビジョン信号
及び任意の外部入力信号を使い、スーパーインポーズさ
せることのできるテレヒジョ／受像機を提供することを
目的とする。OBJECTS OF THE INVENTION It is an object of the present invention to provide a televideo/receiver that can use and superimpose a character signal generator signal, a television signal, and any external input signal.
発明の構成
本発面は、映像信号を入力して処理しコンポジット信号
として出力する機能を有する文字信号発生器の信号と、
テレビジョン信号及び任意の外部入力信号を使い、七−
バーインポーズさせる時、ＲＧＢ映像信号入出力端子に
供給する映像信号を選択する為の出力信号切換スイッチ
を設けたことを特徴とする。Structure of the Invention The present invention provides a signal of a character signal generator having a function of inputting a video signal, processing it, and outputting it as a composite signal;
Using a television signal and any external input signal,
The present invention is characterized in that an output signal changeover switch is provided for selecting a video signal to be supplied to the RGB video signal input/output terminal when bar-imposing.
実施例の説明
以下、本発明の実施夕Ｉ］を第２図を用いて説明する０
図において、１は入力モード切換回路、３は２１ビンの
ＲＧＢ映像信号入出力端子、４は映像処理回路、６は出
力信号切換スイッチでテレビ映像信号と外部映像信号を
選択して２１ピン入出力端子３に供給するものである。DESCRIPTION OF THE EMBODIMENTS [Embodiment I] of the present invention will be described below with reference to FIG. 2. In the figure, 1 is an input mode switching circuit, 3 is a 21-bin RGB video signal input/output terminal, and 4 is a video processing circuit. , 6 is an output signal changeover switch for selecting a television video signal and an external video signal and supplying the selected signal to the 21-pin input/output terminal 3.
図において、入力モード切換回路１をＲＧＢ／マルチ側
に切換え、２１ピン入出力端子３に、映像信号を入力し
て処理しコンポジット信号として出力する機能を有する
文字信号発生器６を接続し、テレビの映像信号と文字信
号発生器６の文字信号を使い、スーパーインポーズさせ
る時、出力信号切換スイッチ５をテレビに切換え、２１
ピン入出力端子３の映像信号出力端子（１０番ピン）に
テレビ信号を供給する。In the figure, the input mode switching circuit 1 is switched to the RGB/multi side, and the character signal generator 6, which has the function of inputting and processing a video signal and outputting it as a composite signal, is connected to the 21-pin input/output terminal 3. When superimposing the video signal of 2 and the character signal of the character signal generator 6, switch the output signal changeover switch 5 to TV, and press 21.
A television signal is supplied to the video signal output terminal (pin 10) of the pin input/output terminal 3.
２１ピン入出力端子３に供給された映像信号は。The video signal supplied to the 21-pin input/output terminal 3 is as follows.
２１ピン入出力端子３に接続された文字信号発生器６に
おいて処理をされ、コンポジット信号となってＲＧＢマ
ルチ端子に出力される。ＲＧＢマルチ端子に供給された
コンポジット信号は入力モード切換回路１を通り、映像
処理回路４に供給される。又、映像処理回路４には２１
ピン入出力端子３より、Ｒ、Ｇ 、 Ｂ 、 Ｙｓ、
ＹＭ の各信号が供給される。更に同期信号も供給さ
れ、これらの信号を処理しスーパーインポーズ信号とな
る０又、出力信号切換スイッチ５をビデオ側に切換えた
時は同様に外部ビデオ信号を使いスーパーインポーズが
できる。The signal is processed in the character signal generator 6 connected to the 21-pin input/output terminal 3, and output as a composite signal to the RGB multi-terminal. The composite signal supplied to the RGB multi-terminal passes through the input mode switching circuit 1 and is supplied to the video processing circuit 4. In addition, the video processing circuit 4 has 21
From pin input/output terminal 3, R, G, B, Ys,
YM signals are supplied. Furthermore, synchronizing signals are also supplied, and these signals are processed to become superimposed signals.Also, when the output signal changeover switch 5 is switched to the video side, superimposition can be performed using an external video signal.
発明の効果
以上のように、本発明によれば、テレビ映像信号はもち
ろんのこと、外部ビデオ信号に対しても文字信号をスー
パーインポーズすることができ。Effects of the Invention As described above, according to the present invention, a character signal can be superimposed not only on a television video signal but also on an external video signal.
実用上極めて朗利となる。This is extremely useful in practice.
第１図は従来例のテレビジョン受像機の回路図、第２図
は本発明の一実施例におけるテレヒンヨン受像機の回路
図である。
１−・・入力モード切換回路、２・・・・・テレビ／ビ
デオ切換回路、３ ・・２１ピノのＲＧＢ映像信号入力
端子、４・・・・映像処理回路、５・ −出力信号切換
スイ、チ。FIG. 1 is a circuit diagram of a conventional television receiver, and FIG. 2 is a circuit diagram of a television receiver according to an embodiment of the present invention. 1--Input mode switching circuit, 2--TV/video switching circuit, 3--21-pin RGB video signal input terminal, 4--Video processing circuit, 5--Output signal switching switch, blood.
Claims (1)
端子を設け、ＲＧＢ映像信号出力端子にスイッチの出力
端を接続し、このスイッチの入力端の一方を内蔵のテレ
ビ映像信号回路に、他方を上記外部映像信号入出力端子
からの映像入力回路に接続し、上記スイッチの切り換え
により、上記ＲＧＢ入出力端子に供給する信号を選択す
ることを特徴とするテレビジョン受像機。Provide an external video signal input/output terminal and an R, G, B video signal input/output terminal, connect the output end of the switch to the RGB video signal output terminal, and connect one of the input ends of this switch to the built-in TV video signal circuit. A television receiver characterized in that the other is connected to a video input circuit from the external video signal input/output terminal, and the signal supplied to the RGB input/output terminal is selected by switching the switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59217627A JPS6196884A (en) | 1984-10-17 | 1984-10-17 | Television receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59217627A JPS6196884A (en) | 1984-10-17 | 1984-10-17 | Television receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6196884A true JPS6196884A (en) | 1986-05-15 |
Family
ID=16707242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59217627A Pending JPS6196884A (en) | 1984-10-17 | 1984-10-17 | Television receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6196884A (en) |
-
1984
- 1984-10-17 JP JP59217627A patent/JPS6196884A/en active Pending
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